[mythtv-users] MINI HOWTO: Connection to mythweb using ssh

John Thomas jwt9478 at gmail.com
Tue Sep 28 10:23:22 EDT 2004

On Tue, 28 Sep 2004 14:41:59 +0100, Ciaran <ciaranj at gmail.com> wrote:
> Just as a minor addendum, an alternative tunnel client in windows can
> be found here :
> http://www.delight.ch/  (SSH Tunnel Client) [Don't panic the download
> is multi-lingual]
> I use it in preference to putty as its *very* easy to use and sits
> neatly in my system tray :)
> Good tutorial, its always 'fun' trying to explain tunnelling to people <g>
>  -ciaran
> On Tue, 28 Sep 2004 09:22:31 -0400, Christopher Flynn
> <flynnguy at gmail.com> wrote:
> > I don't know if there is any interest or not but I figured I would try
> > and start a trend here. I wrote up a mini howto on how to access
> > mythweb by using an ssh tunnel. This would be useful if you want to
> > use ssh from somewhere except you don't want the possibility of
> > someone finding your web server and attacking it.
> >
> > MINI HOWTO: Connection to mythweb using ssh
> > author: Christopher Flynn
> > date: 9/28/04
> >
> > I am going to briefly describe how to connect to mythweb that is
> > behind a firewall in a router. I will assume you have mythweb running.
> > If you need help with that please see the mythweb documentation:
> > http://www.mythtv.org/docs/ I will also assume that you know how to
> > forward ports on your router. This is different for each router so I
> > will not try and cover that here. You can consult the documentation
> > that came with your router for instructions on how to do that. You
> > will need to forward port 22 to the ipaddress that your computer with
> > mythtv is running. To find out the ipaddress type: ifconfig and look
> > for the following line:
> >
> > inet addr: Bcast: Mask:
> >
> > It should be under the eth0 section. If you are running multiple
> > ethernet cards then it is up to you to figure out which section you
> > need. Your numbers may be different but you specifically need the
> > number that is where the number is in my example above.
> >
> > To connect you will need ssh. The version I am currently using is
> > OpenSSH 3.8.1p1. Most UNIX variants come with ssh and if they don't it
> > should be easy to get. For windows you can use cygwin, which emulates
> > a UNIX environment, or you can use an ssh program like PuTTY. If you
> > need to use windows on a daily basis I would recommend installing
> > cygwin because it has a lot of other UNIX tools other than just ssh.
> > If you are somewhere and don't want to install a lot of stuff, PuTTY
> > is a great solution because it is one .exe file so there is no
> > install, you just run it. First I will briefly cover ssh.
> >
> > ssh stands for secure shell and is used most to connect to a remote
> > machine using encryption so no one can eavesdrop. To connect to a
> > remote machine is easy, just type:
> > ssh username at remotedomain
> >
> > my username is cflynn and on my local network I want to connect to
> > (you can use the ip address instead of a domain name
> > like somewhere.com which you may not have) in this case I would type:
> > "ssh cflynn at" It will ask me if I want to accept the key
> > into my keychain the first time, say yes. It will then ask your for
> > you password. You are now connected to your remote computer and can do
> > pretty much whatever you could if you were connected to that computer.
> > Putty works similarly except when you run it you get a dialog box and
> > you just need to put the user at remotedomain line in the field for "Host
> > Name (or IP address)" but leave the Port number alone. (It should be
> > 22)
> >
> > Now this will let you do most things but it won't let you run X11
> > programs. For this you can give it the -X flag but I am not going to
> > go into that here since our main concern is mythweb.
> >
> > To foward a port you need to use the -L option and it will look
> > something like this:
> > ssh -L <local port>:localhost:<remote port> user at remotedomain
> >
> > The local port is what you connect your web browser to. The default
> > web port is port 80. If you are already running a web server on your
> > local computer you can specify another port here and then point your
> > web browser to that port. (examples to follow) the line localhost is
> > where the connection to your browser will happen, it should be your
> > computer. The default domain name is localhost but if that doesn't
> > work you can use the ip address which is called a loopback
> > because it points to the computer you are on. The remote port is the
> > port on the remote computer that the web browser is running. This too
> > will most likely be port 80 but if you are running your web server on
> > a different port, then that gets specified here. user at remotedomain is
> > just like above.
> >
> > Got all that? So an example would be:
> > ssh -L 80:localhost:80 cflynn at mydomain.com
> >
> > This will prompt you for a password and it will seem like all you did
> > was ssh to your remote computer. Now open up your web browser and
> > point it to: http://localhost/mythweb/
> > (note: You need to keep the terminal window that you typed the ssh
> > command open or the ssh tunnel will close) Now if you don't have a
> > domain name, just use your WAN ipaddress. Usually you can find that
> > information from your router.
> >
> > Now if you are running a web server on your local computer, you will
> > need to use a different port. In this case we'll use 8080 because it's
> > a nice number. In this case you would type:
> > ssh -L 8080:localhost:80 cflynn at mydomain.com
> >
> > Notice the remote port stays the same. Now point your browser to the
> > new port: http://localhost:8080/mythweb/
> >
> > To tunnel using PuTTY, in the connection dialog box go to
> > Connection->SSH->Tunnels and at the bottom for the source port is the
> > same as the <local port> above and the destination should be:
> > "localhost<remote port>. Also below that make sure local is selected.
> > Then click the add button. Remember, don't close the putty window or
> > your tunnel will close as well.
> >
> > Well that's about it, if you have any questions or comments, please
> > reply to the mailing list so they get archived as well. If you think
> > these mini howtos are a good idea let it be known or even submit your
> > own! I don't know a whole lot about mythtv but I know a bit about
> > UNIX. Also if you think it's a bad idea let everyone know too. I
> > figure the mailing list is the best place for these because then they
> > will be accesible via the archives.
> >
> > 
> > _______________________________________________
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> > mythtv-users at mythtv.org
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> >
> >
> >
> --
> - Ciaran
> http://www.wombatinvasion.com/ (Share the love)
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Nice guide.  I do the exact same thing. :-)

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